1. When cleaning the oil tank of the pipe bender, the inlet oil filter of each pump should be cleaned.
2. Clean the oil tank and filter the hydraulic box within 1-2 months after the equipment is used.
3, if the forward and retreat backcutting failure is found, first check whether the solenoid valve action, such as the solenoid valve normal action, and then check the sequence valve 6X3, overflow valve YF - L20H4 or one-way unloading valve 4HD3 whether impurities stuck phenomenon. (This phenomenon usually occurs when the equipment is in use). If there is a stuck phenomenon, disassemble with gasoline or diesel cleaning, reinstall can be.
4, hydraulic pump station joints are equipped with oil resistant rubber seal ring, such as seal ring damage, oil leakage, should be replaced in time. 5. Check the fasteners in all parts to make them in tight state.
